Showing papers in "International Journal of Engineering Science in 2002"

TL;DR: In this paper, the authors study tumor growth within the framework of Continuum Mechanics, considering a tumor as a specific case of a growing soft tissue and using the notion of multiple natural configurations, they introduce a mechanical description that splits volumetric growth and mechanical response into two separate contributions.

TL;DR: In this article, a phenomenological constitutive law for ferroelectric switching due to multi-axial mechanical and electrical loading of a polycrystalline material is developed, which is based on kinematic hardening plasticity theory and has a switching surface in the space of mechanical stress and electric field.

TL;DR: In this article, the general solution of three-dimensional problems in transversely isotropic magnetoelectroelastic media is obtained through five newly introduced potential functions, all of which are harmonic.

TL;DR: In this article, an analytical solution for electrostatic potential of the double layer has been derived by solving the complete Poisson-Boltzmann equation for arbitrary zeta-potentials under an analytical scheme.

TL;DR: In this article, the parabolic partial differential equations governing the flow were solved numerically using an implicit finite-difference scheme, and the Coriolis force induces overshoot in the velocity profile of the primary flow and the magnetic field reduces/removes the velocity overshoot.

TL;DR: In this article, a continuum theory of multiphase porous media is developed that can be used to characterize the interactions among various components, and a linear model is developed by a formal linearization of the proposed theory.

TL;DR: In this paper, the authors extended the Sneddon and Muki solution to solve elastostatic problems in multilayered elastic materials and used a special technique to eliminate the ill-conditioned matrices associated with the conventional transfer matrix method.

TL;DR: In this article, a two-dimensional problem in electromagneto-thermoelasticity for a half-space whose surface is subjected to a non-uniform thermal shock and is stress free in the presence of a transverse magnetic field is studied.

TL;DR: In this paper, a nonlinear dynamics framework for diagnosis and prognosis of structural dynamic systems is presented. But, the authors do not consider the impact of structural changes on the dynamics of the system.

TL;DR: In this paper, the equations of generalized thermo-viscoelasticity with two relaxation times are given using Laplace transforms, a uniqueness theorem for these equations is proved Also, a reciprocity theorem is obtained

TL;DR: In this paper, the transient internal crack problem for a functionally graded orthotropic strip was studied, where integral transforms and dislocation density functions were employed to reduce the problem to singular integral equations.

TL;DR: In this article, a model of generalized thermo-viscoelasticity with two relaxation times is established, and the state space formulation for two-dimensional problems is introduced.

TL;DR: The theory of generalized thermoelasticity, based on the theory of Lord and Shulman with one relaxation time, is used to solve a boundary value problem of one-dimensional semi-infinite piezoelectric rod with its left boundary subjected to a sudden heat.

TL;DR: In this article, the free surface heat transfer degradation due to the turbulence redistribution has been implemented through the variation of the turbulent Prandtl number, and the model coefficients have been tuned by a computer optimization using available experimental data for the friction factor.

TL;DR: In this article, the authors derived constitutive equations based on an amended form of the Kuhn-Grun probability distribution function due to Jernigan and Flory from the standard James-Guth (JG) 3-chain and Arruda-Boyce (AB) 8-chain non-Gaussian molecular network models.

TL;DR: In this paper, a formulation of the boundary integral equation method for generalized thermo-viscoelasticity is given, and fundamental solutions of the corresponding differential equations are obtained.

TL;DR: In this paper, the model of generalized thermo-viscoelasticity with two relaxation times is established and a state space formulation for thermoviscoeling with two relaxations is introduced.

TL;DR: In this paper, the model of the generalized thermo-viscoelasticity with two relaxation times (Green and Lindsay theory) is established and the normal mode analysis is used to obtain the exact expressions for the temperature distribution, thermal stresses and the displacement components.

TL;DR: In this paper, the generalized thermoelastic-piezoelectric coupled finite element equations are formulated and the solutions of the temperature, displacement and electric potential are obtained in the Laplace transform domain.

TL;DR: In this paper, a variational structure of the proposed theory is investigated, and a macro-scale model where the state of a porous medium is described by macrostate variables measurable through experiments is presented.

TL;DR: In this article, exact analytical solutions of two problems of laminar flow of a second grade fluid through two parallel porous walls are obtained, where the rate of injection at one wall is assumed to be equal to a rate of suction at the other wall.

TL;DR: In this article, a model consisting of a state, time delay and a nonlinear element is proposed for chaos studies, which can be described as an autonomous continuous-time difference differential equation with only one variable.

TL;DR: In this paper, three different finite difference schemes are developed for identifying the control parameter p ( t ), in this two-dimensional diffusion equation. But the results of numerical experiments are presented, and accuracy and central processor (CPU) times needed for each of the methods are discussed.

TL;DR: In this article, the influence of various micropolar and magnetization parameters on the onset of stationary convection has been analyzed, and it is observed that the micropionic fluid layer heated from below is more stable as compared with the classical Newtonian ferromagnetic fluid.

TL;DR: In this paper, the effect of the imperfect interface on the load transfer is studied by photo-elastically measuring the elastic deformation in bimaterials due to an inclusion with dilatational misfit strain.

TL;DR: In this paper, the authors considered the two dimensional stagnation point flow of a second grade fluid and derived an approximate solution based on stretching of the independent variable and minimizing the residual of the differential equation in the least square sense.

TL;DR: In this paper, the dispersion relations of thermoelastic wave propagation in an arbitrary anisotropic layered plate is investigated in the context of the generalized theory of thermelasticity.

TL;DR: In this paper, the authors present fundamental solutions of the three-dimensional stress distribution pertaining to a point force and an edge dislocation in an infinite plate of arbitrary thickness, which are obtained using the generalised plane strain theory, which assumes that the through-the-thickness extensional strain is uniform in the thickness direction.

TL;DR: In this article, the transient heat transfer in a 2D laminar boundary layer flow on a wedge with sudden change of thermal boundary conditions of uniform wall temperature (UWT) and heat flux (UHF) was examined.

TL;DR: In this paper, a non-local kernel is used instead of a two-dimensional kernel for the anti-plane dynamic problem to obtain the stress and the electric displacement near the crack tips.